/*
 * Copyright 2013 Rivaldo.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jety.server;

import java.io.PrintWriter;
import javax.servlet.AsyncContext;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

/**
 *
 * @author Rivaldo
 */
public class AsynchronousTransport {

    private final AsyncContext asyncContext;

    public AsynchronousTransport(HttpServletRequest request) {
        asyncContext = request.startAsync();
    }

    public void writeResponse(final String responseData) throws Exception {

        ServletResponse resp = asyncContext.getResponse();

        byte[] data = responseData.getBytes(resp.getCharacterEncoding());
        resp.setContentType("application/json");
        resp.setContentLength(data.length);

        PrintWriter out = null;

        out = resp.getWriter();
        out.write(responseData);
        out.write("\n");
        out.flush();
    }

    public void complete() {
        asyncContext.complete();
    }

}
